private async Task <IReadOnlyList <TValue> > GetValuesAsync(IPredicate predicate, CancellationToken cancellationToken)
{
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
var pagingPredicate = UnwrapPagingPredicate(predicate);
if (pagingPredicate != null)
{
pagingPredicate.IterationType = IterationType.Value;
var pagingPredicateHolder = PagingPredicateHolder.Of(predicate, SerializationService);
var requestMessage = MapValuesWithPagingPredicateCodec.EncodeRequest(Name, pagingPredicateHolder);
var responseMessage = await Cluster.Messaging.SendAsync(requestMessage, cancellationToken).CAF();
var response = MapValuesWithPagingPredicateCodec.DecodeResponse(responseMessage);
pagingPredicate.UpdateAnchors(response.AnchorDataList.AsAnchorIterator(SerializationService));
return(new ReadOnlyLazyList <TValue>(response.Response, SerializationService));
}
{
var requestMessage = MapValuesWithPredicateCodec.EncodeRequest(Name, ToData(predicate));
var responseMessage = await(predicate is PartitionPredicate pp
? Cluster.Messaging.SendToKeyPartitionOwnerAsync(requestMessage, SerializationService.ToData(pp.PartitionKey), cancellationToken)
: Cluster.Messaging.SendAsync(requestMessage, cancellationToken))
.CAF();
var response = MapValuesWithPredicateCodec.DecodeResponse(responseMessage).Response;
return(new ReadOnlyLazyList <TValue>(response, SerializationService));
}
}
private ISet <KeyValuePair <TKey, TValue> > EntrySetWithPagingPredicate(IPredicate predicate)
{
var pagingPredicate = UnwrapPagingPredicate(predicate);
pagingPredicate.IterationType = IterationType.Entry;
var pagingPredicateHolder = PagingPredicateHolder.Of(predicate, Client.SerializationService);
var request = MapEntriesWithPagingPredicateCodec.EncodeRequest(Name, pagingPredicateHolder);
var response = InvokeWithPredicate(request, predicate);
var resultParameters = MapEntriesWithPagingPredicateCodec.DecodeResponse(response);
pagingPredicate.AnchorList = resultParameters.AnchorDataList.AsAnchorIterator(Client.SerializationService).ToList();
return(new ReadOnlyLazyEntrySet <TKey, TValue, IData>(resultParameters.Response, Client.SerializationService));
}
private ICollection <TValue> ValuesForPagingPredicate(IPredicate predicate)
{
var pagingPredicate = UnwrapPagingPredicate(predicate);
pagingPredicate.IterationType = IterationType.Value;
var pagingPredicateHolder = PagingPredicateHolder.Of(predicate, Client.SerializationService);
var request = MapValuesWithPagingPredicateCodec.EncodeRequest(Name, pagingPredicateHolder);
var response = InvokeWithPredicate(request, predicate);
var resultParameters = MapValuesWithPagingPredicateCodec.DecodeResponse(response);
pagingPredicate.AnchorList = resultParameters.AnchorDataList.AsAnchorIterator(Client.SerializationService).ToList();
return(new ReadOnlyLazySet <TValue>(resultParameters.Response, Client.SerializationService));
}
public void PagingPredicateHolderTest()
{
var serializationService = new SerializationServiceBuilder(new NullLoggerFactory())
.AddHook <PredicateDataSerializerHook>()
.Build();
var anchorDataListHolder = GetAnchorDataListHolder(serializationService, out var pageList, out var dataList);
var predicateData = new HeapData();
var comparatorData = new HeapData();
var partitionKeyData = new HeapData();
var holder = new PagingPredicateHolder(anchorDataListHolder, predicateData, comparatorData, 5, 12, 3, partitionKeyData);
Assert.That(holder.AnchorDataListHolder, Is.SameAs(anchorDataListHolder));
Assert.That(holder.PredicateData, Is.SameAs(predicateData));
Assert.That(holder.ComparatorData, Is.SameAs(comparatorData));
Assert.That(holder.PageSize, Is.EqualTo(5));
Assert.That(holder.Page, Is.EqualTo(12));
Assert.That(holder.IterationTypeId, Is.EqualTo(3));
Assert.That(holder.PartitionKeyData, Is.SameAs(partitionKeyData));
var predicate = new PagingPredicate(5)
{
IterationType = IterationType.Key
};
predicate.UpdateAnchors(new List <KeyValuePair <int, KeyValuePair <object, object> > >
{
new KeyValuePair <int, KeyValuePair <object, object> >(1, new KeyValuePair <object, object>("key", "value"))
});
holder = PagingPredicateHolder.Of(predicate, serializationService);
Assert.That(holder.PageSize, Is.EqualTo(5));
holder = PagingPredicateHolder.Of(new PartitionPredicate("key", new PagingPredicate(5)
{
IterationType = IterationType.Key
}), serializationService);
Assert.That(holder.PageSize, Is.EqualTo(5));
Assert.That(PagingPredicateHolder.Of(null, serializationService), Is.Null);
Assert.Throws <InvalidOperationException>(() => _ = PagingPredicateHolder.Of(new PagingPredicate(5), serializationService));
Assert.Throws <InvalidOperationException>(() => _ = PagingPredicateHolder.Of(new AndPredicate(), serializationService));
Assert.Throws <InvalidOperationException>(() => _ = PagingPredicateHolder.Of(new PartitionPredicate(), serializationService));
}
